CN102108760A - Fibre reinforced plastic-steel composite tube restrained reinforcement high-strength concrete column - Google Patents
Fibre reinforced plastic-steel composite tube restrained reinforcement high-strength concrete column Download PDFInfo
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- CN102108760A CN102108760A CN 201110050206 CN201110050206A CN102108760A CN 102108760 A CN102108760 A CN 102108760A CN 201110050206 CN201110050206 CN 201110050206 CN 201110050206 A CN201110050206 A CN 201110050206A CN 102108760 A CN102108760 A CN 102108760A
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 120
- 239000010959 steel Substances 0.000 title claims abstract description 120
- 239000011372 high-strength concrete Substances 0.000 title claims abstract description 89
- 239000000835 fiber Substances 0.000 title claims abstract description 48
- 239000002131 composite material Substances 0.000 title claims abstract description 10
- 230000002787 reinforcement Effects 0.000 title abstract description 12
- 239000011151 fibre-reinforced plastic Substances 0.000 claims abstract description 33
- 229920002430 Fibre-reinforced plastic Polymers 0.000 claims abstract description 31
- 239000007787 solid Substances 0.000 claims abstract description 14
- 210000003205 muscle Anatomy 0.000 claims description 20
- 229920002748 Basalt fiber Polymers 0.000 claims description 5
- 229920000049 Carbon (fiber) Polymers 0.000 claims description 3
- 229920006231 aramid fiber Polymers 0.000 claims description 3
- 229910052799 carbon Inorganic materials 0.000 claims description 3
- 239000004917 carbon fiber Substances 0.000 claims description 3
- 239000003365 glass fiber Substances 0.000 claims description 3
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 2
- 239000004760 aramid Substances 0.000 claims description 2
- 229920003235 aromatic polyamide Polymers 0.000 claims description 2
- 239000011152 fibreglass Substances 0.000 claims description 2
- 239000000203 mixture Substances 0.000 claims description 2
- 239000004567 concrete Substances 0.000 abstract description 19
- 238000010276 construction Methods 0.000 abstract description 15
- 230000003014 reinforcing effect Effects 0.000 description 21
- 230000006835 compression Effects 0.000 description 9
- 238000007906 compression Methods 0.000 description 9
- 239000011150 reinforced concrete Substances 0.000 description 8
- 230000000694 effects Effects 0.000 description 7
- 238000010586 diagram Methods 0.000 description 6
- 230000008439 repair process Effects 0.000 description 5
- 230000002411 adverse Effects 0.000 description 4
- 238000005452 bending Methods 0.000 description 4
- 238000013461 design Methods 0.000 description 4
- 239000002689 soil Substances 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 238000002360 preparation method Methods 0.000 description 3
- 239000011248 coating agent Substances 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 230000008602 contraction Effects 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 239000012467 final product Substances 0.000 description 2
- 238000012946 outsourcing Methods 0.000 description 2
- 238000004804 winding Methods 0.000 description 2
- 238000005336 cracking Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
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Abstract
The invention discloses a fiber reinforced plastic-steel composite tube restrained reinforcement high-strength concrete column, comprising longitudinal bars, stirrups, high-strength concrete and a fiber reinforced plastic-steel composite tube, wherein circular stirrups are sheathed on the longitudinal bars along the height direction, the fiber reinforced plastic-steel composite tube is sheathed outside the stirrups along the height direction of the column, the fiber reinforced plastic-steel composite tube is compounded by a steel tube which is taken as an inner wall and a fiber reinforced plastic tube which is taken as an outer wall, solid high-strength concrete is cast in the fiber reinforced plastic-steel composited tube, and the fiber reinforced plastic-steel composite tube is disconnected at the two terminals of the column. The column in the invention is improved in the earthquake resistance of the reinforcement high-strength concrete column and the durability of the steel tube restrained reinforcement high-strength concrete column, and the problems that construction work is more as excessive stirrups are arranged in the reinforcement high-strength concrete column, steel usage of the steel tube high-strength concrete column is high and a reinforcement concrete beam is troublesome to connect are solved.
Description
Technical field
The invention belongs to a kind of civil engineering structure member, particularly a kind of reinforcing bar high-strength concrete column is particularly useful for highrise building, bridge engineering, underground construction and port works etc. under the adverse circumstances such as ocean, humidity and salt-soda soil.
Background technology
High-strength concrete has advantages such as intensity height, the little and good endurance of distortion, can adapt to the modern project structure to stride greatly, the needs of heavy duty and towering development, concrete high the reinforcement is the important trend of modern concrete structural development.In high-level structure, adopt the high-strength concrete frame column, can effectively reduce the pillar cross section, increase the usable floor area in house, improve the advantages such as anti-seismic performance of frame column.Superior performance makes the range of application of high-strength concrete constantly enlarge.
Yet high-strength concrete also has its fatal weakness, and that is exactly that the ductility of high-strength concrete is very poor, is easy to produce brittle fracture.And the area of China 80% belongs to the city that the district that provides fortification against earthquakes (more than 6 degree), particularly high building structure are concentrated, and the overwhelming majority is in the district that provides fortification against earthquakes, and part also is in high earthquake intensity area, should not adopt High Strength Concrete Structures." the Code for design of concrete structures GB 50010 " of China regulation: when fortification intensity is 9 when spending, strength grade of concrete should not surpass C60, and when fortification intensity is 8 when spending, strength grade of concrete should not surpass C70.These prescribed limits the application of high-strength concrete in the high-level structure of earthquake zone.
The form of structure of common employing solid matter stirrup high-strength concrete column improves the anti-seismic performance of high-strength concrete column in the present engineering.Yet solid matter stirrup high-strength concrete column has following deficiency:
1. limit value of axial compression ratio is low.For solid matter stirrup high-strength concrete column, along with stirrup is encrypted, anti-seismic performance increases, and limit value of axial compression ratio increases to some extent.But provided strength grade of concrete in the earthquake resistant design code of China and be C60 lower limit value of axial compression ratio of reinforced concrete frame column when following, and be that C60 does not provide limit value of axial compression ratio when above for strength grade of concrete, its limit value of axial compression ratio will be lower.Limit value of axial compression ratio is lower, will cause the cross section of concrete column not reduce effectively, and the pillar slenderness ratio increases not obvious, and the raising of anti-seismic performance is not obvious.
2. seismic loading easily produces sag of protecting coating and vertical muscle unstability down, and bearing capacity reduces, and the shake back is difficult repairs.Solid matter stirrup high-strength concrete column is easy to generate the phenomenon of sag of protecting coating and vertical muscle unstability under seismic loading, cause bearing capacity to reduce, and anti-seismic performance is relatively poor, and is difficult to after the shake repair.
3. shear-carrying capacity is low, can not guarantee that the failure mode of pillar is " strong shear capacity and weak bending capacity ".For solid matter stirrup high-strength concrete column, when stirrup ratio reached a threshold value, continuing increased stirrup ratio, but can not continue to improve the shear strength of pillar, therefore can't arbitrarily reach " strong shear capacity and weak bending capacity " requirement of pillar for solid matter stirrup high-strength concrete column.
4. construction trouble.The stirrup colligation amount of common solid matter stirrup high-strength concrete column in work progress is very big; Build in the process concrete, because stirrup is very close, the concrete vibration difficulty is bigger.
In order to overcome the above-mentioned deficiency of solid matter stirrup high-strength concrete column, in the reinforcing bar high-strength concrete column, introduce steel pipe, form steel pipe high strength concrete column reinforcing: can improve the limit value of axial compression ratio of reinforcing bar high-strength concrete column, make reinforcing bar high-strength concrete column restrictive axes pressure ratio no longer in application; Can improve the anti-seismic performance of reinforcing bar high-strength concrete column, the reinforcing bar high-strength concrete column can be used in the high-level structure of high intensity Zone; Can improve shear resistance, satisfy the requirement of " strong shear capacity and weak bending capacity "; Can protect the topping of reinforcing bar high-strength concrete column, stop the too early appearance of vertical muscle unstability; Can reduce the consumption of stirrup, reduce difficulty of construction.
Yet, steel pipe high strength concrete column reinforcing but exist the easy flexing of steel pipe, steel using amount big, be connected problems such as trouble, difficulty of construction are big with reinforced concrete beam.
In order to solve the problems referred to above of steel pipe high strength concrete column reinforcing, can adopt steel tube binding steel rib high strength concrete pole, be that its outside steel pipe no longer bears vertical load (not bearing a power and moment of flexure), only core reinforcing bar high-strength concrete column provided horizontal effect of contraction and bears horizontal shear.The effect that steel tube binding steel rib high strength concrete pole brought is: because outside steel pipe no longer bears vertical load, so steel using amount can reduce, and also improved the problem of the easy flexing of steel pipe simultaneously; Because outside steel pipe disconnects at pillar two end terminals, be connected trouble, problem that difficulty of construction is big with reinforced concrete beam so solved.
Yet, when in adverse circumstances such as ocean, humidity and salt-soda soil, using steel pipe high strength concrete column reinforcing and steel tube binding steel rib high strength concrete pole, its outside steel pipe all needs to brush anticorrosive paint or adopt special anticorrosive measure, so greatly increased construction costs and technical difficulty, the expense of later maintenance simultaneously is also than higher.Therefore, need develop the high-strength concrete column structure of low cost, high-durability.
Summary of the invention
In order to overcome the above-mentioned shortcoming and defect of existing solid matter stirrup high-strength concrete column, steel pipe high strength concrete column reinforcing and steel tube binding steel rib high strength concrete pole, the present invention to design a kind ofly have that anti-seismic performance is good, easy construction and high-durability, the fibre reinforced plastics-steel pipe binding steel rib high strength concrete pole of the highrise building under the adverse circumstances such as particularly suitable Yu Haiyang, humidity and salt-soda soil, bridge engineering, underground construction and port works etc.
The present invention is achieved through the following technical solutions:
A kind of fibre reinforced plastics-steel pipe binding steel rib high strength concrete pole, comprise vertical muscle, stirrup and high-strength concrete, also comprise fibre reinforced plastics-steel pipe, described vertical muscle is laid along the pillar short transverse, on the short transverse of vertical muscle, be arranged with the hoop stirrup, the pillar short transverse is arranged with fibre reinforced plastics-steel pipe in the stirrup outer, described fibre reinforced plastics-steel pipe is by being composited as the steel pipe of inwall with as the fibre reinforced plastic tube of outer wall, build solid high-strength concrete in fibre reinforced plastics-steel pipe, fibre reinforced plastics-steel pipe disconnects at pillar two end terminals.
Fibre reinforced plastics-steel pipe of the present invention is pipe, square tube or rectangular tube.
Fibre reinforced plastics of the present invention are glass fiber reinforced plastics, carbon fibre reinforced plastic, basalt fibre reinforced plastic or aromatic polyamide fiber reinforced plastics.
Fibre reinforced plastics of the present invention are the composite fibre reinforced plastic that these four kinds of fibers of glass fiber, carbon fiber, basalt fibre and aramid fiber mix by a certain percentage.
Compared with prior art, core of the present invention is to adopt fibre reinforced plastics-steel pipe to replace steel pipe to come binding steel rib high strength concrete pole, improve the endurance quality of steel tube binding steel rib high strength concrete pole, and its outsourcing clad pipe does not bear axial load, only core reinforcing bar high-strength concrete column is provided horizontal effect of contraction and bears horizontal shear.
The present invention compares with solid matter stirrup high-strength concrete column, has the following advantages and effect:
1, fibre reinforced plastics-steel pipe binding steel rib high strength concrete pole restrictive axes pressure ratio not.Because fibre reinforced plastics-steel pipe is to the operative constraint effect of high-strength concrete, the change of matter has taken place in the failure mode of reinforcing bar high-strength concrete column under the high axial compression ratio condition, be converted into ductile fracture by brittle fracture, significantly improved the anti-seismic performance of reinforcing bar high-strength concrete column, make the reinforcing bar high-strength concrete column no longer be subject to ratio of axial compressive force to axial compressive ultimate capacity of section in application, promptly the reinforcing bar high-strength concrete column still has good seismic resistance under the high axial compression ratio condition.
2, prevent that the high-strength concrete topping peels off and indulge the muscle unstability under the seismic loading, easily repair the shake back.Under the seismic loading, the end concrete of reinforcing bar high-strength concrete column is by conquassation, vertical muscle unstability, and the shake back is difficult to repair; And the constraint of clad pipe can prevent effectively that concrete cover from coming off and indulge the muscle unstability, and easily repair the shake back.
3, shear-carrying capacity height.Because fibre reinforced plastics-steel pipe lays continuously at the outermost layer of pillar, so the web that clad pipe can be used as high-strength concrete column is resisted horizontal shear.When vertical muscle reinforcement ratio increased, clad pipe can arbitrarily be thickeied to guarantee the requirement of pillar " strong shear capacity and weak bending capacity ".
4, easy construction reduces the template consumption.In fibre reinforced plastics-steel pipe binding steel rib high strength concrete pole, stirrup only need set up handling reinforcement to get final product according to construction measure, has therefore reduced the workload of stirrup colligation, and the spacing increase of stirrup also helps concrete vibration; And clad pipe also can be used as the permanent template of concrete construction, reduced the consumption and the construction volume of template.
5, excellent in durability.Because fibre reinforced plastics have excellent endurance quality, so the endurance quality of fibre reinforced plastics-steel pipe binding steel rib high strength concrete pole is good.
The present invention compares with steel pipe high strength concrete column reinforcing, has the following advantages and effect:
1, prevents the steel pipe flexing.For fibre reinforced plastics-steel pipe binding steel rib high strength concrete pole, because clad pipe do not bear longitudinal load, and the fibre reinforced plastics surrounding layer also provides constraint to steel pipe, therefore avoided the buckling problem of steel pipe.
2, steel using amount is low.Reach identical anti seismic efficiency, the steel using amount of fibre reinforced plastics-steel pipe binding steel rib high strength concrete pole is lower than steel pipe high strength concrete column reinforcing.
3, easy to connect with reinforced concrete beam, reduce difficulty of construction.Because of fibre reinforced plastics-steel pipe disconnects in the junction, when being connected with reinforced concrete beam, fibre reinforced plastics-steel pipe binding steel rib high strength concrete pole still can be regarded the ordinary reinforced concrete member as, therefore almost can directly adopt the design and the job practices of ordinary reinforced concrete structure connected node, reduce difficulty of construction, also helped the popularization of this new structure form.
4, excellent in durability.Because fibre reinforced plastics have excellent endurance quality, so the endurance quality of fibre reinforced plastics-steel pipe binding steel rib high strength concrete pole is good.
The present invention compares with steel tube binding steel rib high strength concrete pole, has the following advantages and effect:
1, excellent in durability.Because fibre reinforced plastics have excellent endurance quality, at outer surface of steel tube composite fiber reinforced plastic pipe, make fibre reinforced plastics-steel pipe binding steel rib high strength concrete pole have the favorable durability energy, the engineering under the adverse circumstances such as particularly suitable Yu Haiyang, humidity and salt-soda soil is used.
2, the outsourcing of fibre reinforced plastic tube constraint can not only reduce the steel using amount of steel pipe, also can effectively delay the mode of failure such as cracking of steel pipe seam.
Description of drawings
7 in the total accompanying drawing of the present invention, wherein:
Fig. 1 is a structural representation of the present invention.
Fig. 2 is a circular configuration cage of reinforcement schematic diagram of the present invention.
Fig. 3 is a circular configuration schematic diagram of the present invention.
Fig. 4 is a square structure cage of reinforcement schematic diagram of the present invention.
Fig. 5 is a square structure schematic diagram of the present invention.
Fig. 6 is a rectangular configuration cage of reinforcement schematic diagram of the present invention.
Fig. 7 is a rectangular configuration schematic diagram of the present invention.
Among the figure: 1, vertical muscle; 2, stirrup; 3, high-strength concrete; 4, steel pipe; 5, fibre reinforced plastic tube.
The specific embodiment
The present invention is described in detail with reference to the accompanying drawings.
Fibre reinforced plastics of the present invention-steel pipe binding steel rib high strength concrete pole is made up of vertical muscle 1, stirrup 2, high-strength concrete 3 and fibre reinforced plastics-steel pipe, and wherein column section can be divided into circle, square and rectangular configuration.
As Figure 1-3, the fibre reinforced plastics that the present invention provides-steel pipe binding steel rib high strength concrete pole cross section is a circular configuration, mainly is made up of vertical muscle 1, stirrup 2, high-strength concrete 3 and circular fiber reinforced plastic-steel pipe.The concrete preparation method of present embodiment is as follows:
A, vertical muscle 1 are laid along the pillar short transverse;
B, on the short transverse of vertical muscle 1, be arranged with hoop stirrup 2;
C, be arranged with fibre reinforced plastics-steel pipe in stirrup 2 outer pillar short transverses, clad pipe disconnects at pillar two end terminals, this clad pipe is by being composited as the steel pipe 4 of inwall with as the fibre reinforced plastic tube 5 of outer wall, steel pipe 4 is welded by steel plate, fibre reinforced plastic tube 5 is made by winding process, with steel pipe 4 as twining mould, adopt the continuous fiber yarn to make fibre reinforced plastic tube 5 through winding process, used fiber is glass fiber, carbon fiber, basalt fibre, aramid fiber or this four kinds of composite fibre that fiber mixes by a certain percentage;
Build solid high-strength concrete 3 in D, the fibre reinforced plastics-steel pipe, concrete should adopt the high-strength concrete 3 of label greater than C60.
Shown in Figure 4 and 5, this fibre reinforced plastics of the present invention-steel pipe binding steel rib high strength concrete pole cross section is a square structure, mainly be made up of vertical muscle 1, stirrup 2, high-strength concrete 3 and square fibre reinforced plastics-steel pipe, its concrete preparation method is identical with embodiment 1.
Shown in Fig. 6 and 7, this fibre reinforced plastics of the present invention-steel pipe binding steel rib high strength concrete pole cross section is a rectangular configuration, mainly be made up of vertical muscle 1, stirrup 2, high-strength concrete 3 and rectangular fiber reinforced plastic-steel pipe, its concrete preparation method is identical with embodiment 1.
Because fibre reinforced plastics-steel pipe disconnects at end, pillar two ends, fibre reinforced plastics of the present invention-steel pipe binding steel rib high strength concrete pole adopts the connected mode of existing regulation and stipulation to get final product with being connected of reinforced concrete beam or other form of structure beam.
Claims (4)
1. fibre reinforced plastics-steel pipe binding steel rib high strength concrete pole, comprise vertical muscle (1), stirrup (2) and high-strength concrete (3), it is characterized in that: also comprise fibre reinforced plastics-steel pipe, described vertical muscle (1) is laid along the pillar short transverse, on the short transverse of vertical muscle (1), be arranged with hoop stirrup (2), the pillar short transverse is arranged with fibre reinforced plastics-steel pipe in stirrup (2) outer, described fibre reinforced plastics-steel pipe is by being composited as the steel pipe (4) of inwall with as the fibre reinforced plastic tube (5) of outer wall, build solid high-strength concrete (3) in fibre reinforced plastics-steel pipe, fibre reinforced plastics-steel pipe disconnects at pillar two end terminals.
2. a kind of fibre reinforced plastics according to claim 1-steel pipe binding steel rib high strength concrete pole is characterized in that: described fibre reinforced plastics-steel pipe is pipe, square tube or rectangular tube.
3. a kind of fibre reinforced plastics according to claim 1 and 2-steel pipe binding steel rib high strength concrete pole is characterized in that: described fibre reinforced plastics are glass fiber reinforced plastics, carbon fibre reinforced plastic, basalt fibre reinforced plastic or aromatic polyamide fiber reinforced plastics.
4. a kind of fibre reinforced plastics according to claim 1 and 2-steel pipe binding steel rib high strength concrete pole is characterized in that: described fibre reinforced plastics are the composite fibre reinforced plastic that these four kinds of fibers of glass fiber, carbon fiber, basalt fibre and aramid fiber mix by a certain percentage.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110050206 CN102108760A (en) | 2011-03-02 | 2011-03-02 | Fibre reinforced plastic-steel composite tube restrained reinforcement high-strength concrete column |
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| Application Number | Priority Date | Filing Date | Title |
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| CN 201110050206 CN102108760A (en) | 2011-03-02 | 2011-03-02 | Fibre reinforced plastic-steel composite tube restrained reinforcement high-strength concrete column |
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| CN102108760A true CN102108760A (en) | 2011-06-29 |
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| CN 201110050206 Pending CN102108760A (en) | 2011-03-02 | 2011-03-02 | Fibre reinforced plastic-steel composite tube restrained reinforcement high-strength concrete column |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103321141A (en) * | 2013-07-18 | 2013-09-25 | 重庆交通大学 | Reinforced concrete cylindrical pier and construction method thereof |
| CN105201143A (en) * | 2015-10-16 | 2015-12-30 | 沈阳建筑大学 | Carbon fiber thin-wall steel tube concrete composite column with internal FRP sectional material and method |
| CN107687228A (en) * | 2017-11-10 | 2018-02-13 | 南京市交通工程质量监督站 | A kind of FRP- reinforcing bars arrangement of reinforcement composite column structure |
| CN107724602A (en) * | 2017-10-12 | 2018-02-23 | 广西广厦环保科技有限公司 | Prefabricated concrete column and its preparation technology |
| CN108005310A (en) * | 2017-12-29 | 2018-05-08 | 沈阳建筑大学 | A kind of FRP section bars-steel tube-concrete superposed column |
| CN109267582A (en) * | 2018-09-17 | 2019-01-25 | 金华电力设计院有限公司 | Breathe out fragrant slot concrete slab assembling type base |
| CN109958230A (en) * | 2019-03-28 | 2019-07-02 | 长安大学 | A kind of glass reinforced plastic about bundle fiber lightweight aggregate concrete column and its construction method |
| CN113622967A (en) * | 2020-05-08 | 2021-11-09 | 新疆大学 | FRP (fiber reinforced plastic) -steel wire mesh framework plastic composite pipe constraint coal gangue concrete pier column and construction method thereof |
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| CN1987012A (en) * | 2006-12-22 | 2007-06-27 | 哈尔滨工业大学 | Steel tube binding type steel high strength concrete pole |
| CN1995573A (en) * | 2006-12-28 | 2007-07-11 | 沈阳建筑大学 | Node of round carbon fiber reinforced plastic steel pipe concrete column and armoured concrete frame girder |
| CN101324116A (en) * | 2008-07-15 | 2008-12-17 | 沈阳建筑大学 | Method for manufacturing special-shaped carbon fiber reinforced plastic steel tube concrete core pillar |
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2011
- 2011-03-02 CN CN 201110050206 patent/CN102108760A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN1987012A (en) * | 2006-12-22 | 2007-06-27 | 哈尔滨工业大学 | Steel tube binding type steel high strength concrete pole |
| CN1995573A (en) * | 2006-12-28 | 2007-07-11 | 沈阳建筑大学 | Node of round carbon fiber reinforced plastic steel pipe concrete column and armoured concrete frame girder |
| CN101324116A (en) * | 2008-07-15 | 2008-12-17 | 沈阳建筑大学 | Method for manufacturing special-shaped carbon fiber reinforced plastic steel tube concrete core pillar |
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103321141A (en) * | 2013-07-18 | 2013-09-25 | 重庆交通大学 | Reinforced concrete cylindrical pier and construction method thereof |
| CN103321141B (en) * | 2013-07-18 | 2016-03-30 | 重庆交通大学 | A kind of Reinforced Concrete Circular Cylinder formula bridge pier and construction method thereof |
| CN105201143A (en) * | 2015-10-16 | 2015-12-30 | 沈阳建筑大学 | Carbon fiber thin-wall steel tube concrete composite column with internal FRP sectional material and method |
| CN107724602A (en) * | 2017-10-12 | 2018-02-23 | 广西广厦环保科技有限公司 | Prefabricated concrete column and its preparation technology |
| CN107724602B (en) * | 2017-10-12 | 2020-09-29 | 广西贺州市矿投广厦环保科技有限公司 | Fabricated precast concrete column and preparation process thereof |
| CN107687228A (en) * | 2017-11-10 | 2018-02-13 | 南京市交通工程质量监督站 | A kind of FRP- reinforcing bars arrangement of reinforcement composite column structure |
| CN108005310A (en) * | 2017-12-29 | 2018-05-08 | 沈阳建筑大学 | A kind of FRP section bars-steel tube-concrete superposed column |
| CN109267582A (en) * | 2018-09-17 | 2019-01-25 | 金华电力设计院有限公司 | Breathe out fragrant slot concrete slab assembling type base |
| CN109267582B (en) * | 2018-09-17 | 2024-05-31 | 金华电力设计院有限公司 | Ha Fen-groove concrete slab assembly type foundation |
| CN109958230A (en) * | 2019-03-28 | 2019-07-02 | 长安大学 | A kind of glass reinforced plastic about bundle fiber lightweight aggregate concrete column and its construction method |
| CN113622967A (en) * | 2020-05-08 | 2021-11-09 | 新疆大学 | FRP (fiber reinforced plastic) -steel wire mesh framework plastic composite pipe constraint coal gangue concrete pier column and construction method thereof |
| CN113622967B (en) * | 2020-05-08 | 2023-09-26 | 新疆大学 | FRP-steel wire mesh skeleton plastic composite pipe constraint gangue concrete pier column and construction method thereof |
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Open date: 20110629 |